What is the cheapest airline that flies from San Diego to Barcelona?

Lufthansa and British Airways are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$247 Cheap Flights from San Diego to Barcelona in 2026

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:16 pm - 4:00 pm

SAN

BCN

17h 44m2 stops

9:20 pm - 6:46 pm

BCN

SAN

30h 26m2 stops

$483British Airways

Thu, Apr 16 - Mon, Apr 27

5:00 pm - 9:35 am

SAN

BCN

31h 35m2 stops

9:10 am - 4:45 pm

BCN

SAN

15h 35m1 stop

$484United Airlines

Tue, Feb 17 - Sun, Mar 15

10:00 pm - 2:20 pm

SAN

BCN

31h 20m2 stops

1:00 pm - 1:05 pm

BCN

SAN

32h 05m1 stop

$485Delta

Mon, Feb 16 - Mon, Mar 16

10:20 pm - 8:00 am

SAN

BCN

24h 40m2 stops

1:00 pm - 1:05 pm

BCN

SAN

32h 05m1 stop

$486Delta

Fri, Feb 20 - Fri, Mar 13

10:25 pm - 7:00 am

SAN

BCN

24h 35m1 stop

6:10 am - 10:55 pm

BCN

SAN

25h 45m2 stops

$487Delta

Wed, Mar 18 - Wed, Apr 1

1:05 pm - 4:20 pm

SAN

BCN

19h 15m2 stops

1:15 pm - 10:20 am

BCN

SAN

30h 05m2 stops

$488United Airlines

Thu, Mar 19 - Thu, Apr 2

9:29 am - 11:25 am

SAN

BCN

17h 56m2 stops

6:35 pm - 5:50 pm

BCN

SAN

32h 15m1 stop

$489British Airways

Thu, Mar 19 - Tue, Apr 7

7:00 pm - 5:55 pm

SAN

BCN

14h 55m1 stop

10:30 am - 10:34 pm

BCN

SAN

21h 04m1 stop

$490Iberia

Mon, Mar 16 - Tue, Mar 31

6:10 pm - 8:20 am

SAN

BCN

29h 10m2 stops

9:10 am - 4:45 pm

BCN

SAN

15h 35m1 stop

$491United Airlines

Sat, Feb 21 - Sun, Mar 15

6:21 am - 2:00 pm

SAN

BCN

23h 39m2 stops

9:20 am - 8:52 pm

BCN

SAN

20h 32m2 stops

$492Delta

Fri, Mar 20 - Wed, Apr 1

United Airlines flights from San Diego to Barcelona

Our best United Airlines deals on San Diego to Barcelona flight tickets

United Airlines

Feb 17

SAN2:10 pmSan Diego

34h 25m

2 stops

BCN9:35 amBarcelona-El Prat

Mar 13

BCN9:10 amBarcelona-El Prat

15h 35m

1 stop

SAN4:45 pmSan Diego

$484

United Airlines

Mar 4

SAN11:05 amSan Diego

21h 30m

2 stops

BCN5:35 pmBarcelona-El Prat

Mar 8

BCN10:30 amBarcelona-El Prat

20h 13m

2 stops

SAN9:43 pmSan Diego

$488

United Airlines

Feb 21

SAN6:10 pmSan Diego

29h 10m

2 stops

BCN8:20 amBarcelona-El Prat

Mar 15

BCN9:10 amBarcelona-El Prat

15h 35m

1 stop

SAN4:45 pmSan Diego

$491

Delta flights from San Diego to Barcelona

Our best Delta deals on San Diego to Barcelona flight tickets

Delta

Feb 16

SAN10:00 pmSan Diego

31h 20m

2 stops

BCN2:20 pmBarcelona-El Prat

Mar 16

BCN1:00 pmBarcelona-El Prat

32h 05m

1 stop

SAN1:05 pmSan Diego

$485

Delta

Feb 20

SAN7:25 pmSan Diego

28h 15m

2 stops

BCN8:40 amBarcelona-El Prat

Mar 12

BCN6:00 amBarcelona-El Prat

15h 05m

1 stop

SAN1:05 pmSan Diego

$486

Delta

Mar 20

SAN6:21 amSan Diego

23h 39m

2 stops

BCN2:00 pmBarcelona-El Prat

Apr 1

BCN9:20 amBarcelona-El Prat

20h 32m

2 stops

SAN8:52 pmSan Diego

$492

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 4/16

1:16 pm-4:00 pm

2 stops17h 44m

Barcelona-El Prat

Mon 4/27

9:20 pm-6:46 pm

2 stops30h 26m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/17

5:00 pm-9:35 am

2 stops31h 35m

Barcelona-El Prat

Sun 3/15

9:10 am-4:45 pm

1 stop15h 35m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/16

10:00 pm-2:20 pm

2 stops31h 20m

Barcelona-El Prat

Mon 3/16

1:00 pm-1:05 pm

1 stop32h 05m

$485

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 2/20

10:20 pm-8:00 am

2 stops24h 40m

Barcelona-El Prat

Fri 3/13

1:00 pm-1:05 pm

1 stop32h 05m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/18

10:25 pm-7:00 am

1 stop24h 35m

Barcelona-El Prat

Wed 4/1

6:10 am-10:55 pm

2 stops25h 45m

$487

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/19

1:05 pm-4:20 pm

2 stops19h 15m

Barcelona-El Prat

Thu 4/2

1:15 pm-10:20 am

2 stops30h 05m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 3/19

9:29 am-11:25 am

2 stops17h 56m

Barcelona-El Prat

Tue 4/7

6:35 pm-5:50 pm

1 stop32h 15m

$489

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 3/16

7:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Tue 3/31

10:30 am-10:34 pm

1 stop21h 04m

$490

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 2/21

6:10 pm-8:20 am

2 stops29h 10m

Barcelona-El Prat

Sun 3/15

9:10 am-4:45 pm

1 stop15h 35m

$491

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 3/20

6:21 am-2:00 pm

2 stops23h 39m

Barcelona-El Prat

Wed 4/1

9:20 am-8:52 pm

2 stops20h 32m

$492

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $628. If you don’t want to visit Barcelona in January, then you should wait until February to fly from San Diego, when ticket prices are also cheap, with an average price of $632.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $808 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $719 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	14h 15m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 14h 15m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 14h 15m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $465	Free Cancellation	Rating 6.8 7,697 reviews	Search Lufthansa flights
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Iberia	PriceFrom $492	Free Cancellation	Rating 7.0 3,079 reviews	Search Iberia flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
Delta	PriceFrom $531	Free Cancellation	Rating 7.9 8,029 reviews	Search Delta flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 9,141 reviews	Search United Airlines flights
British Airways	PriceFrom $567	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
American Airlines	PriceFrom $604	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.